Beilstein J. Org. Chem.2020,16, 1154–1162, doi:10.3762/bjoc.16.102
phosphorescent molecules. These compounds were separately converted from the corresponding fluorinated bistolanes via PdCl2-catalyzed oxidation by dimethyl sulfoxide, while nonfluorinated bistolane provided the corresponding bisbenzil derivatives exclusively in a similar manner. Intensive investigations of the
materials.
Keywords: alkyne oxidation; benzils; bistolanes; fluorinated compounds; phosphorescence; Introduction
The development of organic light-emitting molecules is recognized as one of the most important studies because of the broad application of these compounds as fluorescence probes, bio-imaging
phosphorescence owing to a significant acceleration of spin-orbit coupling based on the El-Sayed rule involving the 1(n, π)→3(π, π) transition [25][26].
Over the past few years, our group has intensively investigated fluorinated 1,4-bis(2-phenylethyn-1-yl)benzenes (1), a structural class known as bistolanes
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Graphical Abstract
Figure 1:
(A) Transition-metal-containing and (B) pure organic phosphorescent materials reported thus far (bp...